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    Question

    What value should come in place of (?) in the following questions?

    ?2 = √20.25 × 10 + √16 +

    32
    A 9 Correct Answer Incorrect Answer
    B 6 Correct Answer Incorrect Answer
    C 16 Correct Answer Incorrect Answer
    D 12 Correct Answer Incorrect Answer
    E 15 Correct Answer Incorrect Answer

    Solution

    ?2 = √20.25 × 10 + √16 + 32 => ?2 = 4.5 × 10 + 4 + 32 => ?2 = 45 + 4 + 32 => ?2 = 81 => ? = 9

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